     /* 遮罩层  */
     function mask(showObject){
       $('html').find($("#mask_FK")).remove();
  	   $('html').append("<div id='mask_FK'></div>");
  	   var maskObject = $("#mask_FK");
  	   maskObject.css("display","none");
  	   maskObject.css("position","absolute");
  	   maskObject.css("top","0%");
  	   maskObject.css("left","0%");
  	   maskObject.css("width",screen.width);
  	   maskObject.css("height",screen.height);
  	   maskObject.css("background-color","#ffffff");
  	   maskObject.css("z-index","1001");
  	   maskObject.css("-moz-opacity","0.7");
  	   maskObject.css("opacity",".70");
  	   maskObject.css("filter","alpha(opacity=70)");
  	   maskObject.css("display","block");
	   showObject.css("display","block");
  	   showObject.dialog("open");
     }
     
     /* 监听窗口关闭并取消遮罩层 */
     $(function(){
    	 $('.easyui-dialog').dialog({
     	    onClose:function(){
     	    	$("#mask_FK").remove();
     	    }
     	});
     })